20400344

素因数分解:

$2^3\times {\mathrm{601}}^1\times {\mathrm{4243}}^1$

素因数の和:4850

約数の個数: 16

約数和(自身を含む): 38323320

約数和(自身を除く): 17922976

約数列:

[1, 2, 4, 8, 601, 1202, 2404, 4243, 4808, 8486, 16972, 33944, 2550043, 5100086, 10200172, 20400344]

約数ペア:

[(1, 20400344), (2, 10200172), (4, 5100086), (8, 2550043), (601, 33944), (1202, 16972), (2404, 8486), (4243, 4808)]